(;GM[1]FF[4]SZ[5]
GN[]
PC[http://senseis.xmp.net/?RetrogradeAnalysisProblem5/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RetrogradeAnalysisProblem5/Attempts

]
PL[B]


;W[de]C[W2]MN[2]
;W[cd]C[W4]MN[4]
;W[bc]C[W6]MN[6]
;W[ab]C[W8]MN[8]

;
)
